Photo 1 of Square Ignition Coil Pack Set of 8 Compatible with Chevy Silverado Avalanche Suburban 1500 2500 3500 Tahoe for GMC Sierra for Cadillac Escalade 4.8L 5.3L 6.0L 6.6L 8.1L Replace# D581 UF271 5C1083

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Photo 1 of Square Ignition Coil Pack Set of 8 Compatible with Chevy Silverado Avalanche Suburban 1500 2500 3500 Tahoe for GMC Sierra for Cadillac Escalade 4.8L 5.3L 6.0L 6.6L 8.1L Replace# D581 UF271 5C1083Photo 2 of Square Ignition Coil Pack Set of 8 Compatible with Chevy Silverado Avalanche Suburban 1500 2500 3500 Tahoe for GMC Sierra for Cadillac Escalade 4.8L 5.3L 6.0L 6.6L 8.1L Replace# D581 UF271 5C1083